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CQD330
The Siemens CQD330 is a molded case circuit breaker designed for effective electrical protection. It supports a variety of connections and is suitable for various applications with its robust amperage rating.
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Technical specifications for CQD330
| Manufacturer | Siemens |
|---|---|
| Product Type | Molded Case Circuit Breaker |
| Product Line | CQD Series |
| Part Number | CQD330 |
| Weight | 2.00 lbs (0.91 kg) |
| UPC | 783643277762 |
| Amperage Rating | 30 A |
| Number of Poles | 3 Poles |
| Trip Type | Thermal Magnetic |
| Interrupt Rating | 14 kA at 480 VAC |
| Connection Type | Feed-Thru |
| Voltage Rating | 277/480 VAC |
| Phase | 3-Phase |
| Trip Function | Long-Time/Instantaneous (LI) |
| Frequency Rating | 50/60 Hz |
| Actuator Type | Handle |
| Mounting Type | DIN Rail |
| Wire Size Range | 14–6 AWG |
| Protection Type | Overcurrent/Short-Circuit |
The CQD330 by Siemens belongs to the CQD series and is classified as a molded case circuit breaker. This unit is designed to operate at a voltage rating of 277/480 VAC, making it suitable for various electrical systems and applications.
Featuring three poles, it has an amperage capacity of 30 A, sufficient for many standard applications. The circuit breaker employs a thermal magnetic trip type, combining two technologies for enhanced fault detection and protection. It is particularly effective for overcurrent and short-circuit conditions.
The interrupt capacity reaches 14 kA at 480 VAC, providing reliability during system faults. Designed for easy installation, the CQD330 uses a feed-thru connection type and mounts onto a DIN rail seamlessly. The actuator, which is in the form of a handle, offers straightforward manual control.
This device operates within a frequency range of 50 to 60 Hz and accommodates wire sizes ranging from 14 to 6 AWG, ensuring versatility for different wiring setups. The long-time and instantaneous (LI) trip functions allow for adaptive response to overload conditions, enhancing the overall protection of electrical systems.
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